示例#1
0
        public LiteValue Visit(SyntaxDotClassExpressionNode Node, LiteEnv Env)
        {
            var Val = Node.GetClassIdentNode().Accept(this, Env);
            var Mem = (Node.GetCallIdentNode() as SyntaxIdentifierNode).GetValue();

            if (Val.Type == LiteValueType.Class)
            {
                if (Mem == "New")
                {
                    var Cls     = ClassTable.GetClass((int)Val.Numeric);
                    var ObjEnv  = Cls.MakeEnv();
                    var LiteObj = new LiteObject(ObjEnv);
                    var Obj     = ObjectTable.AddObjectEx(LiteObj);
                    ObjEnv.SetSelf("this", Obj);
                    LiteObj.InitObject(this, Cls, ObjEnv);
                    return(Obj);
                }
            }
            else if (Val.Type == LiteValueType.Object)
            {
                var LiteObj = ObjectTable.GetObject((int)Val.Numeric);
                if (LiteObj == null)
                {
                    Logger.DError($"bad member access : {Val}");
                    return(LiteValue.Error);
                }

                return(LiteObj.Read(Mem));
            }
            else
            {
                Logger.DError($"unknown class type : {Val}");
            }

            return(LiteValue.Error);
        }